DE2039226A1 - Device for dental orthopedic treatment - Google Patents

Description

Patent attorneys Dipl.-Ing. F. Weickmann, 2039726

Dipl.-Ing. H.Weickmann, Dipl.-Phys. Dr.K. Fincke Dipl.-Ing. F. A. Weickmann, Dipl.-Chem. B. Huber

DLA 8 MUNICH «6, DEN

PO Box 860 820 MÖHLSTRASSE 22, CALL NUMBER 48 39 21/22

P 20 39 226.1 <98392i / 22>

Alexo Corp.

Device for dental orthopedic treatment

It is known to help regulate teeth to the individual A patient's teeth wrapping around ligaments with attachment arms and the ligaments with arch wire and various To connect spring wires. This working technique requires considerable skill and good judgment by the dentist, when he works with the various wires exerting forces and shapes them to create the desired movement |

or to achieve regulation of the teeth.

It is also known to have ligaments and bridge wires to shape on an ideal model and then to transfer it to the patient. However, Eb is practically impossible to attach the straps to the patient's teeth in the same position as on the model ”.

By using the device according to the invention, a dentist is enabled to do the difficult one and complicated task of forming a bridge wire so

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that thereby the desired tooth movement is achieved on an ideal model of the patient's teeth to be performed while the arch wire is outside the patient's mouth. Then the arch wire placed in the patient's mouth and easily and quickly attached to the individual teeth with the help of the new, fastening arms according to the invention are attached.

In particular, with the device according to the invention, bridge wires can be attached to the Attach a patient's teeth and then take an impression of the patient's mouth. To After removing the impression, replicas of the type of attachment are in a corresponding position is inserted in the impression and a cast of the teeth is made, followed by the mounting arms firmly attached to the dental casts. Then the individual dental casts are separated and into an ideal one A model of the patient's mouth is reinserted, allowing an arch wire to be formed to fit it is adapted to the location of a mounting arm on the teeth in the ideal model. Having a wire on this Once it has been formed, it is transferred to the patient's mouth, where it is then resilient or the wire's ability to retain its shape, a corrective force is exerted on the teeth, whereby these are moved into their ideal positions.

In the following, the invention will be described in more detail with reference to preferred embodiments shown in the drawing explained. In the drawing show:

Pig. 1 is a perspective view of part of a mounting arm, formed in accordance with the present invention;

Fig. 2 is a perspective view of a so-called holding baoke, the type of fastening according to the invention !!

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is used}

Pig. 3 is a top plan view of an assembled mounting arm;

Pig. 4 is a section along the line 4-4 through the in Pig. 3 device shown;

Pig. 5 shows a plan view of a modified embodiment of the fastening arm according to the invention;

Figure 6 is a plan view of a further embodiment of a mounting arm constructed in accordance with the present invention; and

Pig. 7 is a plan view in a reduced scale, of an embodiment of a _v Sehneppringes usable in the present invention.

In Pig. 1 shows a mounting arm 10 made in accordance with the present invention and this mount Stigungsarm comprises' a base part 12 which is attached to a toothed belt 14, for example by soldering or another suitable method that can be found on a patient's tooth in her * attached in a conventional manner. The mounting arm also includes a head portion 16 that has a lip surface 18. As can be seen from the drawing, the base part and the head part are preferably circular, but is such a shaping is not absolutely necessary, and between A shaft 20 is provided for these two parts, which has a reduced diameter in relation to both the base part 10 as well as the head part 16. A horizontally running groove 28 is formed in the head part 16, which is used for receiving me of a bridge wire 30 is used. Preferably have both

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The hat 28 also the arch wire 30 is rectangular Cross-section, but not let such a training necessary · The head part 16 also has a perpendicular running hats 26, which have a shallower depth than the depth the hat 28, but the depth of which is at least so great that the difference between the depth of the groove and hat 26 no larger than the bead of the arch wire 30, whereby the reason for this training will become clear further below

A second vertically extending hat 32 is provided in the fastening arm, this vertically extending hat in the present exemplary embodiment extends through the base part and the shaft part and preferably has a rectangular cross section. An incision 34 runs between the hats 26, 32.

In Flg. 2 is a locking member or holding jaw 38 shown, dl «is designed so that it can interact with the type of fastening 10, the holding jaw a The base part 40 has a rectangular cross-section which can be slidably inserted into the hat 32 Base part 40 extends forwardly an arm 42 which can be inserted into the hat 34, and the end of this arm is formed su a locking finger 44, the to .dl «nt to reach forward over the arch wire 30, if this lies in the hat 28, with the lower end of the finger 44 then engages in the lower part of the hat 26.

The Haltebaoksn 38 can by a Sohnappring 46 in his Position are held, which in turn is designed so that it grips around the shaft 20, wherein dl · ends of the Grab the sehnappring over the top end of the holding baok 38, when the retaining jaw is fully inserted, which is best

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from the Pig. 3 tmd 4 »see let. The base 40 of the Haltebaoke iet old hats 48 provided, which are formed on opposite sides of the Jrundteiles and in which the ends of the son appringee 46 are when the Holding jaw is withdrawn or inserted. Preferably the Haltebaoke 38 facilities, the bit the Engage the snap ring when calibrating the retaining bracket in its is partially retracted position in which the pinger 44 releases the lute 28. Such a facility can a recess or a one-piece 50 which are formed in one or in both walls 52 of the hats 48, as shown in Fig. 4, or other suitable anchoring devices can be provided.

The actuator arm and the support bracket are preferred made of corrosion-resistant steel or another »other suitable, corrosion-resistant high-strength metal made, and they can of course also consist of a high-strength plastic or some other material · You lute 26 and the bridge wire 30 are preferably of a single dimension, dad They can be entered exactly into one another, but they should at the same time be designed so that the Irüokendraht 30 is something in Längiohtung duroh the lute 28 movable. line Such mobility is of course necessary so that the fixing arms can be adjusted to the bridge wire can be if see a tooth moved under the Druok or turns, which is exercised on him through the bridge wire · Likewise, the game must be like the finger 44 and one Bridge wire 30 must be so large that the bridge wire becomes tangled can be. ;

In one embodiment, the attachments of the ties 14 to a patient's stowage are attached

laoh dem poor 10 un solidifies »ibd then becomes an abdruok dee mouth ·· dee patient

ORIGINAL INSPECTED 109813/1091

taken, eo that one can take an impression of the position of the teeth with the The type of attachment attached to it is retained The impression is taken out of the mouth and replicas of the attachment arms 10 are inserted into the corresponding openings, which have been formed in the impression. A cast is then made in the impression so that a model of the The patient's teeth are obtained with the replicas of the mounting arms attached to the cast teeth. Then the individual dental casts are made by cutting or separated from each other by other suitable means and inserted in their ideal positions in a model. Sodi; a bridge wire is formed to match the mounting arms of the ideal model, and if so Operation has been carried out, this bridge wire is taken out and attached to the fastening arms on the teeth attached to the patient's mouth. After the attachment to the teeth, the wire naturally exercises b »w in the patient's mouth due to its elasticity. rope? standard memory exert the usual pressure on the teeth in the mouth in order to rotate them or in some other way into their ideal position IU move. It may be necessary to start the treatment with a wire that exerts only a small amount of force, and then to increase the force applied by changing the wire during further treatment. In each Jail · can the dentist go to his ideal model, to form the bridge wire to be placed in the patient's mouth

According to the above description, the holding bracket is fastened around the bridge wire to the fastening arm see below, so that the fastening arm is attached to the fastening arm The sonappring engages in the openings 50, so that the groove 28 is exposed, then the bridge wire 30 is inserted into the groove 28 inserted and against the · behind «wall of this groove · sur

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BATH ORIGINAL

brought. Then a pressure is exerted on the holding jaw 38, so that it moves downwards, whereby the Finger 44 moved over the arch wire 30 so that it is in holds its position when the retaining jaw 38 releases the ends of the sonappring 46, they grip over the upper end of the retaining jaw to hold it in its position bu *

To remove the arch wire again, the operation is carried out in reverse order, i.e. the The dentist opens the snap ring 46, where a suitable tool is provided.Then the holding jaw 38 is opened * wait until the ends of the snap length 46 engage the recesses 50. In this position the finger gives 44 free the hat 28 so that the arch wire 30 can be moved laterally and out of the lute 28. Although the mounting arm in this embodiment is in conjunction with a bridge wire 30 shown with a rectangular cross-section it should be obvious that round bridge wires or bundles of two or more bridge wires can also be used in a suitable manner. as well the method according to the invention, which has been explained with the aid of the fastening arms in FIGS. 1 to 4, can be carried out with other types of fastening

In Flg. 5 shows a modified embodiment of a fastening arm according to the invention, the fastening arm 10 * in this embodiment having a base part 12 ′ and a head part 16 * and the horizontal lute 28 ″ being designed at such a depth that it extends as far as the shaft 20 *. Thus, the bridge wire 30 * lies against the surface of the snap ring 46. the Haltebaoke has in this exemplary embodiment a Ctrundttil 70 which fits into a lute 72 in the base 12 * of the mounting arm is designed. From the basic part

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An arm 42 'extends from 70. The arm 42 has a pinger 44 'at its end which grips over the arch wire 30' when fully inserted. The present embodiment has the advantage over the embodiment described first that the length of the arch wire over which the arch wire rests against the fastening arm up to the edge of the snap ring 46 ', ie up to point X ¹ compared to point X. is increased, whereby the moment arm is increased, the _r to D ehung serves a tooth.

In Pig. 6, there is shown another embodiment of the present invention in which the pinger 44 "is enlarged Cross-section opposite the arm 42 ″, and in the the vertical groove 26 "of the receiving mounting arm accordingly is enlarged. This achieves the advantage that the Haltebaoke more firmly than in the above-described embodiments is held.

In order to enlarge the torque arm even further, the Sohnappring nooh wings can have 80, as shown in Pig. 7 shown are. Such plugs can be formed on a son snap ring, as is the case with any of the preceding exemplary embodiments is used.

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Claims (1)

- ■ 9 - Claims Fastening arm for a dental orthopedic bridge wire for fastening to a dental ligament and for connection to a bridge wire of predetermined thickness, characterized in that a body (10) is provided which has a base part (12) with a base for fastening a dental ligament (14) and a head part (16) with a lip surface (18) that is in the head part (16) has a horizontal comparable% running groove (28) is provided, the back opening to the lip surface for receiving a Brüoktndrahtts (30), said hat ( 28) has a greater depth than the dioke of the bridge wire, so that the head part tint has a vertical hat (26) which is opened towards the flat lip (18) and has a depth in relation to the depth of the horizontal hat (28) , which is essentially not less than the thickness of the arch wire, that a second vertically extending hat (32) is formed in the base part (12) so that a linsohnltt (34) is provided in the head part t, the eioh trsttn between dtr and zwtittn stnkrtcht extending hat (26,32) and to the Lipptnfläoht of Kopfttilts towards gtöffnet the like, and in that a Halttbaokt (38) is vorgtsthen that a base portion (40) of the vtrsohisbbar in The second, stnkrtcht tndt hat (32) can be driven, tintn armttil (42), which can be picked up by the recess (34), and has tinen fingtrttil (44), which is taken up by the trsttn, vertically running Iutt (26) is and protrudes over tintn bridge wire (30), which is fitted into the horizontal hat (28), and the tint fitting device (46) is provided in order to hold the cold bar (38) detachably, u »tin accidentally remove the stop «Back · to prevent from dta body door. 10981371091 2 »A device according to claim 1, characterized g β k β η η - ■ calibration η et in that the body (10) includes a shaft part (20)" wisohen the base (12) and the head part (16) having a relation to the base part and the head part has reduced cross-section, and that the locking device consists of a snap ring (46) "which can be attached to the shaft part" 3. Apparatus according to claim 1 or 2, characterized in that the lower end of the iiorix '^ talen groove (28 ¹ ) is at a distance from the Grojidteil ί ί i, the thickness of the Sohnappringes (46'} '' n ⁴ "prif; s. 4. Performed according to one of the preceding claims, characterized in that the incision (34) has a smaller width than the vertical hats ± 26 * ₉ 32 '). 5. Device according to one of the Jlasprüche 2 - 4 »thereby marked that on the Schnappriag (46 *) Wings (80) are formed, which protrude horizontally from the snap ring 6. Device naoh one of the preceding claims, daduroh characterized in that devices (50) are provided on the Haltebaoke, which releasably old the Kenden the son snap ring (46) in a predetermined position the holding baoke engage to hold the holding baoke in a partially disassembled position 7 · apparatus according to any one of the preceding claims, daduroh in AmB in & 9Λ dnxndteil the Haltebaoke (38) are provided on opposite sides recesses (40) into which the ends of de · Sohnapp ring (46) during the Sinsetxens "of the taking out «Dor 109813/109 1 BATH ORIGINAL Retaining bracket can snap into place. θ. Device according to one of claims 2-7 »thereby marked that the sonappring (46) has one has a larger diameter than the horizontal extent of the head part (16). 109813/1091